MAD BMW S58 Resonated H-Pipe Midpipe M2 G87MAD BMW S58 Resonated H Pipe Midpipe M2 G87 Upgrade your BMW M2's sound and flow with the MAD Resonated H Pipe Midpipe, designed specifically for the S58 powered G87 platform. This midpipe maintains the factory style H pipe configuration with two separate pipes merging through a crossover section, preserving the stock layout while enhancing performance. The OEM midpipe features two secondary catalytic converters and large resonators that restrict